CN106015548B - Hydrostatic drive variable speed manipulates gearshift - Google Patents
Hydrostatic drive variable speed manipulates gearshift Download PDFInfo
- Publication number
- CN106015548B CN106015548B CN201610619397.1A CN201610619397A CN106015548B CN 106015548 B CN106015548 B CN 106015548B CN 201610619397 A CN201610619397 A CN 201610619397A CN 106015548 B CN106015548 B CN 106015548B
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- Prior art keywords
- notch
- gear
- main
- gearshift
- shift lever
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/22—Locking of the control input devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H2059/026—Details or special features of the selector casing or lever support
Abstract
Gearshift is manipulated the present invention relates to a kind of hydrostatic drive variable speed, including operation panel and major and minor operating mechanism, manipulating upper box part has the manipulation guide plate with the fast notch of independent main transformer and secondary speed change notch, for being arranged on manipulation guide plate to main shift lever reverse gear shift and the limit skateboard of secondary gear lever top gear interlocking, limit skateboard is provided with spacing edge-cut；Master rocker one end of the main shift lever bottom of main operating mechanism is hinged on the first installing plate by friction plate pretension, the other end is connected with main speed changing flexible shaft, main shift lever passes the fast notch of the main transformer manipulated on guide plate, there is the secondary gear lever bottom of secondary operating mechanism bag secondary-rocker one end to be hinged on by friction plate pretension on the second installing plate, the other end is connected with secondary speed changing flexible shaft, and secondary gear lever passes the spacing edge-cut of the secondary speed change notch and limit skateboard that manipulate on guide plate.The present invention is rational in infrastructure, and manipulation is light, can realize optional position positioning and top gear and reverse gear shift interlocking, there is obvious neutral feel.
Description
Technical field
Gearshift is manipulated the present invention relates to a kind of hydrostatic drive variable speed, belongs to agricultural harvesting machinery technology neck
Domain.
Background technology
Driven more than self propelled harvester tool using Mechanical Driven bridge, Mechanical Driven bridge has volume greatly, complicated, behaviour
Make the problems such as gear is few.And using the harvest machinery of HST hydrostatic drives to have simple to operate, efficiency of crop is fast high
Effect, increasingly becomes user's first-selected type, and the hydrostatic drive type for possessing variable speed manipulation will become in future as one kind
Gesture.
And the operating mechanism of hydrostatic drive vehicle has variable speed control function, and it can guarantee that in high speed shifting state
Under retroversion gear can not be linked into because of maloperation so that it is dangerous to occur high-reverse.The behaviour of hydrostatic drive vehicle in the market
Vertical structure is much not carried out the interlocking of high speed gear and reversing gear, or interlocking structure designs using double control crank vehicles
It is complicated, it is impossible to effectively to realize that high speed gear lower limit system is moved backward.And in the market is using single control crank vehicle, although handle structure letter
It is single, but set unreasonable there is also gear, a control crank is the mobility operation of vehicle to be controlled, and stepless change is controlled again
Speed, control crank needs transverse shifting to carry out longitudinal operation again, and not only control crank is not obvious in neutral position, and due to harvest
Control crank mechanically is relatively long, control crank easy clamping stagnation control crank during horizontally slipping, and causes operation inconvenience
The problem of.Moreover, when control crank is located at variable speed region, because control crank is unable to self-locking, it is impossible at an arbitrary position
Control crank is positioned.
The content of the invention
Manipulated it is an object of the invention to provide one kind using double-rod, rational in infrastructure, manipulation is light, makes main shift lever by rubbing
Wipe damping and realize that optional position is positioned, have obvious neutral feel, and the hydrostatic drive of top gear and reverse gear shift interlocking can be realized
Dynamic variable speed manipulates gearshift.
The present invention is that the technical scheme for reaching above-mentioned purpose is：A kind of hydrostatic drive variable speed manipulates gearshift,
It is characterized in that：Including operation panel, for the main operating mechanism for controlling vehicle to advance and moving backward and for controlling travel speed
Secondary operating mechanism, there is mounting seat in described operation panel, mounting seat is provided with the first installing plate and the second installing plate, manipulates
Upper box part, which has, manipulates guide plate, manipulates on guide plate along longitudinal direction provided with the fast notch of independent main transformer and secondary speed change notch, described
The fast notch of main transformer include forward gear notch and reverse gear notch and middle part and forward gear notch and the groove that reverses gear that center line is staggered
Mouth communicates spacing spacing breach, described secondary speed change groove when being provided with neutral to main shift lever at median slot, and median slot
Mouth is in-line notch；Manipulation is arranged on for the limit skateboard to main shift lever reverse gear shift and secondary gear lever top gear interlocking to lead
Simultaneously energy transverse shifting, and limit skateboard carries the spacing edge-cut of transition skewed slot provided with middle part on to plate；
Described main operating mechanism includes main shift lever, friction plate and main speed changing flexible shaft, and there is master to shake for main shift lever bottom
Arm, one end of master rocker is hinged on the first installing plate by friction plate pretension, the other end is connected with main speed changing flexible shaft, and main transformer
Fast bar passes the fast notch of the main transformer manipulated on guide plate, and main shift lever and the travel switch that reverses gear in mounting seat are corresponding simultaneously
For controlling the travel switch that reverses gear；
Described secondary operating mechanism includes secondary gear lever, friction plate and secondary speed changing flexible shaft, and secondary gear lever bottom is shaken with pair
Arm, one end of secondary-rocker is hinged on the second installing plate by friction plate pretension, the other end is connected with secondary speed changing flexible shaft, secondary speed change
Bar passes the spacing edge-cut of the secondary speed change notch and limit skateboard that manipulate on guide plate.
Described manipulates guide plate bottom provided with multiple blocks or groove for being used to carry out limit skateboard the L-shaped of longitudinal spacing
The block of shape, limit skateboard is arranged on the cavity of the block of each L-shaped or the block of flute profile.
The fast notch of main transformer on the manipulation guide plate is located at left side, secondary speed change notch and is located on right side, main transformer speed notch
Forward gear notch be located at preceding outside, the notch that reverses gear and be located at rear inner side, forward gear notch be arranged in parallel with the notch that reverses gear, spacing cunning
Spacing edge-cut on plate includes preceding inner tank mouths, the skew notch at middle part and rear exterior notch, and preceding inner tank mouths are parallel with rear exterior notch, in pair
When gear lever is located at the rear portion top gear of secondary speed change notch, limit skateboard blocks the notch that reverses gear of the fast notch of main transformer.
The main shift lever bottom is provided with torsion spring, and one end is connected on main shift lever, other end connection first is pacified
Fill on plate, and the central axis of torsion spring intersects with the central axis that is hinged of master rocker.
The master rocker of the main shift lever is arranged between two friction plates, has the first bearing pin on the first installing plate, two rub
Pad, master rocker and gland are arranged on the first bearing pin, and locking member is arranged on the first bearing pin and withstood on gland, and gland will
Friction plate pretension is on master rocker.
The elastic component and back-up ring for adjusting pretightning force are also equipped with the first described bearing pin, locking member is arranged on first
Bearing pin is simultaneously withstood on back-up ring, and elastic component is withstood on gland.
The secondary-rocker of the secondary gear lever is arranged between two friction plates, and the second installing plate is provided with the second bearing pin, two
Friction plate, secondary-rocker and gland are arranged on the second bearing pin, and locking member is arranged on the second bearing pin and withstood on gland.
Also there is the elastic component for being used for adjusting pretightning force, locking member is arranged on the second bearing pin and pushed up on second bearing pin
On elastic component.
Described manipulation upper box part is connected with panel rack, and switch panel is arranged on panel rack, set on switch panel
There is multigroup hydraulic control button and maintain an equal level with the head of main shift lever and secondary gear lever.
Described master rocker is provided with the projection or arc gap for the travel switch that reversed gear for control.
The present invention uses double-rod handle structure, and it is supporting manipulate upper box part manipulate the fast notch of independent main transformer on guide plate and
Secondary speed change notch, makes main shift lever control electrodeless variable-speed when moving forward and backward of vehicle, and the height of secondary gear lever control vehicle becomes
Fast position, can combine ergonomics and be integrated in traveling manipulation in same operation panel with workpiece, major and minor gear lever is divided
Not Qian Houyidong, installation and debugging are very convenient.The secondary speed change of the main shift lever of the main operating mechanism of the present invention and secondary operating mechanism
Bar bottom is equipped with rocking arm, rocking arm can be hinged in respective mounting seat by friction plate pretension, main shift lever is passed through pretension
Frictional resistance can realize advance and the locking for optional position of reversing gear, while secondary gear lever is appointed by pretension frictional resistance with realizing
The locking for height velocity potential of anticipating, easy to operate, gear is accurate.Especially forward gear notch of the present invention in the fast notch of main transformer and fall
Also set to communicate on retaining groove mouthful and spacing breach is provided with median slot, and median slot, can be embedded in when main shift lever returns to middle position
Middle position indentation, there, and possess obvious middle position feel.The present invention controls the row that reverses gear using the travel switch that reverses gear by main shift lever
Cheng Kaiguan opening and closing function, astern signal is reliable.The present invention is additionally provided with the limit skateboard of energy transverse shifting on guide plate is manipulated,
Secondary gear lever is connected with limit skateboard, therefore during operation pair gear lever, while limit skateboard can be driven to move, in the secondary change of operation
During fast bar to top gear position, link limit skateboard transverse shifting, limit skateboard is closed and can lock reverse gear shift reversing position
Position, so when main shift lever is in reversing position, secondary gear lever can not also turn back high speed position, can realize secondary speed change high speed and main transformer
The reversing interlocking of speed, it is ensured that will not be hung under high speed shifting state because of maloperation and fall back gear, it is to avoid occur the danger of high-reverse.
The present invention can meet the functional requirement required for hydraulic-driven vehicle variable speed shift control by practical rational structure,
Integrated level is high, is easy to the laying of vehicle, and the overall gearshift control structure that manipulates is compact, integrated level height.
Brief description of the drawings
Embodiments of the invention are described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation that hydrostatic drive variable speed of the present invention manipulates gearshift.
Fig. 2 is that hydrostatic drive variable speed manipulation gearshift of the present invention shows positioned at secondary speed change low-speed position status architecture
It is intended to.
Fig. 3 is that hydrostatic drive variable speed manipulation gearshift of the present invention shows positioned at secondary speed change high speed position status architecture
It is intended to.
Fig. 4 is that limit skateboard of the present invention is arranged on the structural representation manipulated on guide plate.
Fig. 5 is that the present invention removes operation panel and manipulates the structural representation of guide plate.
Fig. 6 is the structural representation that main operating mechanism of the invention and secondary operating mechanism are arranged on mounting seat.
Wherein：1-switch panel, 2-panel rack, 3-manipulate guide plate, the fast notch of 3-1-main transformer, 3-11-spacing
Breach, 3-12-forward gear notch, 3-13-reverse gear notch, 3-2-pair speed change notch, 4-mounting seat, 4-1-first is installed
Plate, the installing plates of 4-2-second, 5-operation panel, 6-main shift lever, 6-1-master rocker, 6-2-projection, 7-pair gear lever, 7-
1-secondary-rocker, 8-block, 9-limit skateboard, 9-1-spacing edge-cut, 9-11-preceding inner tank mouths, 9-12-skew notch, 9-
13-rear exterior notch, 10-mounting bracket, 11-torsion spring, 12-friction plate, 13-gland, 14-elastic component, 15-back-up ring,
16-locking member, the 17-the first bearing pin, 18-reverse gear travel switch, 19-main speed changing flexible shaft, 20-secondary speed changing flexible shaft, 21-the
Two bearing pins.
Embodiment
As shown in Fig. 1~6, hydrostatic drive variable speed of the present invention manipulates gearshift, including operation panel 5, for controlling
The main operating mechanism of vehicle advance and reversing processed and the secondary operating mechanism for controlling travel speed.As shown in Fig. 1,5, this hair
There is mounting seat 4, mounting seat 4 is provided with the first installing plate 4-1 and the second installing plate 4-2, and the mounting seat 4 exists in bright operation panel 5
Reinforcement is provided between first installing plate 4-1 and the second installing plate 4-2, or mounting seat 4 uses frame structure, the top of operation panel 5
With guide plate 3 is manipulated, the manipulation guide plate 3 can be arranged on the top of operation panel 5 by fastener, or manipulation guide plate 3 is welded
On operation panel 5.As shown in Fig. 1~4, the present invention is manipulated on guide plate 3 along longitudinal direction provided with independent main transformer speed notch 3-1 and pair
Speed change notch 3-2, is oriented to by main transformer speed notch 3-1 and pair speed change notch 3-2 to main shift lever 6 and secondary gear lever 7, by
It is easy to operate using longitudinal direction operation when operation, and stagnant card is difficult, operation is smooth.
As shown in Fig. 1~4, forward gear notch 3-12 and reverse gear that the fast notch 3-1 of main transformer of the present invention is staggered including center line
Notch 3-13 and middle part communicated with forward gear notch 3-12 and the notch 3-13 that reverses gear at median slot, and median slot provided with pair
The spacing breach 3-11 spacing when neutral of main shift lever 6, when main shift lever 6 is arranged on middle position, enables main shift lever 6 to be located at limit
Position breach 3-11, and can substantially have neutral position feel, main shift lever 6, which is located in forward gear notch 3-12, to be realized before vehicle
OK, and main shift lever 6 is located at and reversed gear in notch 3-13, realize the reversing of vehicle, and the spacing breach 3- at median slot
When 11, stop vehicle, main shift lever 6 is controlled electrodeless variable-speed of the vehicle when moving forward and backward.As shown in Fig. 1~4, this hair
Bright secondary speed change notch 3-2 is in-line notch, secondary gear lever 7 is carried out high-low speed change in secondary speed change notch 3-2, when secondary speed change
The front end that bar 7 is located at secondary speed change notch 3-2 is low speed position, and is high speed position in secondary speed change notch 3-2 rear end, passes through secondary speed change
The high-low speed change position of the control vehicle of bar 7, manipulates main shift lever 6 and secondary gear lever 7 realizes vehicle to run.
As shown in Fig. 1~4, the present invention is used for the spacing cunning to the reverse gear shift of main shift lever 6 and the secondary top gear of gear lever 7 interlocking
Plate 9 is arranged on manipulation guide plate 3 and energy transverse shifting, and limit skateboard 9 carries the stopper slot of transition skewed slot provided with middle part
Mouth 9-1.As shown in Fig. 2~4, the bottom of guide plate 3 is manipulated provided with multiple L-shaped for being used to carry out limit skateboard 9 longitudinal spacing
Block 8 or the block of flute profile 8, limit skateboard 9 are arranged on the cavity of the block 8 of each L-shaped or the block 8 of flute profile, in secondary gear lever 7
The transverse shifting of limit skateboard 9 is driven, and realizes top gear and reverse gear shift interlocking, it is to avoid occurs high-reverse phenomenon, in gear lever
When shifting to bottom gear position, unblock reversing position can arbitrarily control to advance and move backward.As shown in Figure 4, on the manipulation guide plate 3
Provided with multiple mounting brackets 10, it is arranged on by fastener on operation panel 5, and block 8 can be according to locus demand with installing
Support 10 is formed integrally.
As shown in Fig. 1~4, the fast notch 3-1 of main transformer that the present invention is manipulated on guide plate 3 is located at left side, secondary speed change notch 3-2
Positioned at right side, the forward gear notch 3-12 on main transformer speed notch 3-1 is located at preceding outside, the notch 3-13 that reverses gear and is located at rear inner side, preceding
Enter retaining groove mouthful 3-12 and the notch 3-13 that reverses gear to be arranged in parallel, median slot substantially with forward gear notch 3-12 and the notch 3-13 that reverses gear
It is vertically arranged, spacing breach 3-11 can be arranged on to the place side of median slot.As shown in Fig. 2~4, and the limit on limit skateboard 9
Position notch 9-1 includes preceding inner tank mouths 9-11, the skew notch 9-12 at middle part and rear exterior notch 9-13, preceding inner tank mouths 9-11 and rear water jacket
Mouth 9-13 is parallel, and preceding inner tank mouths 9-11 and rear water jacket, can be smoothed when secondary gear lever 7 is operated by skew notch 9-12 transition
Cross, without stagnant card, when secondary gear lever 7 is located at secondary speed change notch 3-2 rear portion top gears, limit skateboard 9 blocks the fast groove of main transformer
The mouth 3-1 notch 3-13 that reverses gear.When pulling high speed gear because of secondary gear lever 7, the position of limit skateboard 9 is set to be slided into most from the rightmost side
Left side, the notch 3-13 that reverses gear of the now closing of limit skateboard 9 main shift lever 6, main shift lever 6 can not be placed in the notch 3-13 that reverses gear
It is interior, while when main shift lever 6 is in and reverses gear notch 3-13, secondary gear lever 7 can not also turn back secondary speed change notch 3-2 rear portion
High speed gear, can realize secondary speed change high speed and main transformer speed reversing interlocking, simple in construction, reliable operation, when secondary gear lever is in low speed
During position, main shift lever 6 can arbitrarily control the direction that moves forward and backward.
As shown in Fig. 1~6, main operating mechanism of the invention includes main shift lever 6, friction plate 12 and main speed changing flexible shaft 19, main
The bottom of gear lever 6 has master rocker 6-1, and master rocker 6-1 one end is hinged on the first installing plate 4-1 by the pretension of friction plate 12
The upper, other end is connected with main speed changing flexible shaft 19, controls vehicle hydraulic to drive speed change, and main shift lever 6 by main speed changing flexible shaft 19
Pass the fast notch 3-1 of the main transformer manipulated on guide plate 3, main shift lever 6 is moved along along the fast notch 3-1 of main transformer, realize vehicle without
Level moves forward and backward, due to master rocker 6-1 with friction plate 12 with certain damping friction power, manipulates main shift lever 6 and takes office
What position can realize self-locking, without moving.As shown in Fig. 5,6, the present invention is that the damping that can adjust main shift lever 6 rubs
Power is wiped, the master rocker 6-1 of main shift lever 6 is arranged between two friction plates 12, there is the first bearing pin 17 on the first installing plate 4-1,
Two friction plates 12, master rocker 6-1 and gland 13 are arranged on the first bearing pin 17, and locking member 16 is arranged on the first bearing pin 17 simultaneously
Withstand on gland 13, the pretension of friction plate 12 on master rocker 6-1, damping friction power is adjusted by locking member 16 by gland 13,
The locking member 16 can use fastener, such as use locking nut and circlip, circlip is enclosed on the first lock shaft 17, and
Locked by locking nut.The present invention also has the elastic component 14 and gear for being used for adjusting pretightning force preferably on the first bearing pin 17
Circle 15, the adoptable stage clip of elastic component 14 or butterfly spring or elastomeric pad etc., locking member 16 is arranged on the first bearing pin 17 simultaneously
Withstand on back-up ring 15, elastic component 14 is withstood on gland 13, institute during work can be reached by the decrement of regulation elasticity part 14
The optimal damping frictional force needed.
As shown in Fig. 5,6, travel switch 18 is corresponding to be used in combination main shift lever 6 of the present invention with reversing gear in mounting seat 4
Reversed gear travel switch 18 in control, when main shift lever 6, which enters, to reverse gear in notch 3-13, the row that reverses gear is manipulated by main shift lever 6
Cheng Kaiguan 18 is closed, and exports astern signal.Main shift lever 6 of the present invention reverses gear travel switch 18 all in reversing gear optional position
It will remain closed, master rocker 6-1 of the present invention is provided with the projection 6-2 or arc gap for the travel switch 18 that reversed gear for control, when
When main shift lever 6 pulls car backing position backward, reverse gear travel switch of the projection 6-2 compressions with roller on master rocker 6-1
18, when reversing gear, the roller contact of travel switch 18 is moved downward, and the travel switch 18 that reverses gear is closed, and sends the signal that reverses gear；And as master
When gear lever 6 returns to middle position, the roller contact of travel switch 18 that reverses gear is protruded upward, and is returned on initial position, master rocker 6-1
Projection 6-2 can use arc block or cam bit.The present invention can be provided with arc gap with derivation accommodation for master rocker 6-1, will
The roller of travel switch 18 that reverses gear insertion circumferential notch also can all realize the closure function of travel switch 18 of reversing gear.
As shown in Fig. 5,6, the bottom of main shift lever 6 of the present invention is provided with torsion spring 11, and the one end of torsion spring 11 is connected to main shift lever 6
The upper, other end is connected on the first installing plate 4-1, and the central axis of torsion spring 11 intersects with the master rocker 6-1 central axis that is hinged,
When main shift lever 6 is located at middle position, the embedded spacing breach 3-11 of main shift lever 6 is enable under the effect of torsion spring 11, and is possessed substantially
Middle position feel.
As shown in Fig. 1~6, present invention pair operating mechanism includes secondary gear lever 7, friction plate 12 and secondary speed changing flexible shaft 20, secondary
The bottom of gear lever 7 has secondary-rocker 7-1, and secondary-rocker 7-1 one end is hinged on the second installing plate 4-2 by the pretension of friction plate 12
The upper, other end is connected with secondary speed changing flexible shaft 20, controls vehicle hydraulic to drive high-low speed change, secondary gear lever by secondary speed changing flexible shaft 20
7 pass the secondary speed change notch 3-2 and limit skateboard 9 that manipulate on guide plate 3 spacing edge-cut 9-1, because of secondary-rocker 7-1 and friction plate
12 have certain damping friction power, frictional damping sense are provided to secondary gear lever 7, while in secondary gear lever 7 to secondary speed change notch
Drive limit skateboard 9 to move simultaneously during the high speed position of 3-2 rear portions, and block the fast notch 3-1 of the main transformer notch 3-13 that reverses gear, make vehicle
It is unable to high-reverse.
As shown in Fig. 5,6, the secondary-rocker 7-1 of present invention pair gear lever 7 is arranged between two friction plates 12, and second installs
Plate 4-2 is provided with the second bearing pin 21, and two friction plates 12, secondary-rocker 7-1 and gland 13 are arranged on the second bearing pin 21, locking member
16 are arranged on bearing pin and withstand on gland 13, secondary-rocker 7-1 is had certain pretension with friction plate 12 by locking member 16
There is reliable damping feel in power, operating process.Pretightning force is adjusted for that can facilitate, the adoptable fastener of locking member 16, such as
Bolt and elastic washer, are enclosed on bolt by circlip and are screwed in locking on the second lock shaft 21.As shown in Fig. 5,6, the present invention
Also there is the elastic component 14 for being used for adjusting pretightning force, locking member 16 is arranged on the second bearing pin 21 and withstands on bullet on second bearing pin 21
On property part 14, optimal damping frictional force required during work can be reached by the decrement of regulation elasticity part 14, the elasticity
Part 14 can use elastic washer or butterfly spring, be directly acted on by locking member 16 on elastic component 14.
As shown in Fig. 1~3, the present invention is connected with panel rack 2 on the top of operation panel 5, and switch panel 1 is arranged on panel branch
On frame 2, head of the switch panel 1 provided with multigroup hydraulic control button and main shift lever 6 and secondary gear lever 7 maintains an equal level, by pushing away
While drawing main shift lever 6 and secondary gear lever 7, palm finger can be touched easily on anterior controlling switch panel 1
Switch, it is ensured that can easily touch control button while control stick is manipulated, to realize control harvest machinery component actuation, operation
It is efficient and convenient.
The above-mentioned general principle and principal character and advantages of the present invention that patent of the present invention has been shown and described.The industry
Technical staff is it should be appreciated that the present invention is not limited to the above embodiments, and described in above-described embodiment and specification is
Illustrate the principle of the present invention, on the premise of Patent design spirit and scope of the present invention are not departed from, the present invention also has various change
And improvement, these changes and improvements are both fallen within claimed invention the scope of the claims, patent requirements protection domain of the present invention
Defined by appended letter of authorization and its equivalent article.
Claims (10)
1. a kind of hydrostatic drive variable speed manipulates gearshift, it is characterised in that：Including operation panel (5), for controlling car
Advance and reversing main operating mechanism and secondary operating mechanism for controlling travel speed, have in described operation panel (5)
There is mounting seat (4), mounting seat (4) is provided with the first installing plate (4-1) and the second installing plate (4-2), and operation panel (5) top has
Guide plate (3) is manipulated, is manipulated on guide plate (3) along longitudinal direction provided with the fast notch (3-1) of independent main transformer and secondary speed change notch (3-
2), the fast notch (3-1) of described main transformer include forward gear notch (3-12) and the notch that reverses gear (3-13) that center line is staggered and
Middle part communicates with forward gear notch (3-12) and the notch that reverses gear (3-13) and is provided with median slot, and median slot to main shift lever
(6) spacing spacing breach (3-11) when neutral, described secondary speed change notch (3-2) is in-line notch；For to main transformer speed
Bar (6) reverse gear shift and the limit skateboard (9) of secondary gear lever (7) top gear interlocking are arranged on manipulation guide plate (3) and can be laterally
It is mobile, and limit skateboard (9) carries the spacing edge-cut (9-1) of transition skewed slot provided with middle part；
Described main operating mechanism is included under main shift lever (6), friction plate (12) and main speed changing flexible shaft (19), main shift lever (6)
Portion has a master rocker (6-1), one end of master rocker (6-1) is hinged on the first installing plate (4-1) by friction plate (12) pretension,
The other end is connected with main speed changing flexible shaft (19), and main shift lever (6) passes the fast notch (3-1) of the main transformer manipulated on guide plate (3),
Main shift lever (6) is corresponding with the travel switch that reverses gear (18) in the mounting seat (4) for controlling the travel switch that reverses gear
(18)；
Described secondary operating mechanism is included under secondary gear lever (7), friction plate (12) and secondary speed changing flexible shaft (20), secondary gear lever (7)
Portion has a secondary-rocker (7-1), one end of secondary-rocker (7-1) is hinged on the second installing plate (4-2) by friction plate (12) pretension,
The other end be connected with secondary speed changing flexible shaft (20), secondary gear lever (7) pass secondary speed change notch (3-2) on manipulation guide plate (3) and
The spacing edge-cut (9-1) of limit skateboard (9).
2. hydrostatic drive variable speed according to claim 1 manipulates gearshift, it is characterised in that：Described manipulation
Guide plate (3) bottom is provided with multiple blocks (8) or the block of flute profile for being used to carry out limit skateboard (9) L-shaped of longitudinal spacing
(8), limit skateboard (9) is arranged on the cavity of the block (8) of each L-shaped or the block (8) of flute profile.
3. hydrostatic drive variable speed according to claim 1 or 2 manipulates gearshift, it is characterised in that：The behaviour
The fast notch (3-1) of main transformer on vertical guide plate (3) is located at left side, secondary speed change notch (3-2) and is located at right side, main transformer speed notch (3-
1) forward gear notch (3-12) on is located at preceding outside, the notch that reverses gear (3-13) and is located at rear inner side, forward gear notch (3-12) with
The notch (3-13) that reverses gear be arranged in parallel, and spacing edge-cut (9-1) on limit skateboard (9) includes preceding inner tank mouths (9-11), middle part
Skew notch (9-12) and rear exterior notch (9-13), preceding inner tank mouths (9-11) are parallel with rear exterior notch (9-13), in secondary gear lever (7)
During positioned at the rear portion top gear of secondary speed change notch (3-2), limit skateboard (9) blocks the notch (3- that reverses gear of the fast notch (3-1) of main transformer
13)。
4. hydrostatic drive variable speed according to claim 1 manipulates gearshift, it is characterised in that：The main transformer speed
Bar (6) bottom is provided with torsion spring (11), and torsion spring (11) one end is connected on main shift lever (6), the other end connects the first installing plate
On (4-1), and the central axis of torsion spring (11) intersects with the central axis that is hinged of master rocker (6-1).
5. hydrostatic drive variable speed according to claim 1 manipulates gearshift, it is characterised in that：The main transformer speed
The master rocker (6-1) of bar (6) is arranged between two friction plates (12), has the first bearing pin (17), two on the first installing plate (4-1)
Friction plate (12), master rocker (6-1) and gland (13) are arranged on the first bearing pin (17), and locking member (16) is arranged on the first pin
On axle (17) and withstand on gland (13), gland (13) is by friction plate (12) pretension on master rocker (6-1).
6. hydrostatic drive variable speed according to claim 5 manipulates gearshift, it is characterised in that：Described first
The elastic component (14) and back-up ring (15) for adjusting pretightning force are also equipped with bearing pin (17), locking member (16) is arranged on the first pin
Axle (17) is simultaneously withstood on back-up ring (15), and elastic component (14) is withstood on gland (13).
7. hydrostatic drive variable speed according to claim 1 manipulates gearshift, it is characterised in that：The secondary speed change
The secondary-rocker (7-1) of bar (7) is arranged between two friction plates (12), and the second installing plate (4-2) is provided with the second bearing pin (21),
Two friction plates (12), secondary-rocker (7-1) and gland (13) are arranged on the second bearing pin (21), and locking member (16) is arranged on second
On bearing pin (21) and withstand on gland (13).
8. hydrostatic drive variable speed according to claim 7 manipulates gearshift, it is characterised in that：Second pin
Also there is the elastic component (14) for being used for adjusting pretightning force, locking member (16) is arranged on the second bearing pin (21) and withstood on axle (21)
On elastic component (14).
9. hydrostatic drive variable speed according to claim 1 manipulates gearshift, it is characterised in that：Described manipulation
Case (5) top is connected with panel rack (2), and switch panel (1) is arranged on panel rack (2), and switch panel (1) is provided with more
Group hydraulic control button simultaneously maintains an equal level with the head of main shift lever (6) and secondary gear lever (7).
10. hydrostatic drive variable speed according to claim 1 manipulates gearshift, it is characterised in that：Described master
Rocking arm (6-1) is provided with the projection (6-2) or arc gap for travel switch (18) of being reversed gear for control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619397.1A CN106015548B (en) | 2016-07-29 | 2016-07-29 | Hydrostatic drive variable speed manipulates gearshift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619397.1A CN106015548B (en) | 2016-07-29 | 2016-07-29 | Hydrostatic drive variable speed manipulates gearshift |
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| Publication Number | Publication Date |
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| CN106015548A CN106015548A (en) | 2016-10-12 |
| CN106015548B true CN106015548B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610619397.1A Active CN106015548B (en) | 2016-07-29 | 2016-07-29 | Hydrostatic drive variable speed manipulates gearshift |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110050570B (en) * | 2018-05-22 | 2020-09-11 | 农业部南京农业机械化研究所 | Control mechanism and method for stably switching forward speed of combine harvester |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145628A (en) * | 1983-02-10 | 1984-08-21 | Iseki & Co Ltd | Restraining device for change lever |
| CA2180863A1 (en) * | 1995-08-03 | 1997-02-04 | Charles Osborn | Vehicle shifter |
| CN2441284Y (en) * | 2000-08-25 | 2001-08-08 | 东风农机集团公司 | Speed changing interlocking mechanism for hand rotary cultivator unit |
| JP5673575B2 (en) * | 2012-01-27 | 2015-02-18 | 井関農機株式会社 | Seedling transplanter |
| JP6238862B2 (en) * | 2014-09-02 | 2017-11-29 | 株式会社クボタ | Harvesting machine |
| JP6294806B2 (en) * | 2014-10-20 | 2018-03-14 | 株式会社丸山製作所 | Vehicle travel safety device |
| CN205956362U (en) * | 2016-07-29 | 2017-02-15 | 常州东风农机集团有限公司 | Quiet hydraulic drive infinitely variable controls gearshift |
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| CN106015548A (en) | 2016-10-12 |
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